| Regimental number | 6841 |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Commonwealth Bank Account No 64786, Collins Street, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Thomas Francis Riordan, 40 Palmer Street, Fitzroy, Melbourne, Victoria |
| Enlistment date | 3 August 1915 |
| Rank on enlistment | Acting Corporal |
| Unit name | 3rd Divisional Signal Company, 10th Reinforcements, No. 2 Section |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on 1 March 1916 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 3rd Divisional Signal Company |
| Fate | Returned to Australia 25 March 1919 |